Inside and outside air switching apparatus for automotive air conditioner
US5643079A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 8, 1996 |
| Grant date | Jul 1, 1997 |
| Priority date | — |
| Expiry date | Feb 8, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60H2003/0666
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A filter is disposed so as to cross at right angle to an airflow from an inside air inlet and an outside air inlet to an inlet port. The filter is made of a filter element formed in a corrugated shape by folding and is deformable so that a width of the filter in the axis direction of said rotary door could be shortened. Thus, it is possible to shorten the width of the filter in the axial direction of the rotary shaft by deforming the outer shape of the filter, therefore, the filter is easily taken out from the inside air inlet. Furthermore, since the filter can be taken out from the inside air inlet, the filter can be attached or detached without disassembling the inside and outside air switching case and casing for a blower fan, the working efficiency for cleaning and changing the filter being thereby improved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.